package cn.tedu._04mybatis.mapper;

import cn.tedu._04mybatis.pojo.entity.Comment;
import cn.tedu._04mybatis.pojo.vo.CommentVO1;
import cn.tedu._04mybatis.pojo.vo.CommentVO2;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface CommentMapper {

    @Insert("INSERT INTO comment(content,created,user_id,weibo_id) " +
            "VALUES (#{content},#{created},#{userId},#{weiboId})")
    int insertComment(Comment comment);

    @Delete("DELETE FROM comment WHERE id=#{cid}")
    int deleteComment(Long cid);

    @Select("SELECT content,user_id AS userId,weibo_id AS weiboId FROM comment WHERE id=#{pid}")
    List<CommentVO1> selectCommentById1(Long pid);

    @Select("SELECT content,user_id AS userId FROM comment WHERE weibo_id=#{pid}")
    List<CommentVO2> selectCommentById2(Long pid);

}
